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Onnentassu Oy
OY
Dissolved
Y-tunnus 2109103-6
Pohjoinen Rautatienkatu 334, 11120
Riihimäki
Rental and operating of own or leased real estate
· NACE 6820
Est. 2007
— employees
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Onnentassu Oy
Overview
Financials
People & ownership
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People & ownership
Management
Actively employed in the business
Name
Role
Member since
Former (4)
IM
Ilkka Matti Metsäterä
Deputy auditor
Deputy auditor
2007 – 2019
RA
Riitta Alisa Lehtonen
Deputy Member
Deputy Member
2007 – 2025
KO
Keijo Olavi Johannes Lehtonen
Chief Executive Officer
Chief Executive Officer
2007 – 2026
VA
Veijo Antero Tolonen
Audit
Audit
2007 – 2019
Board of directors
Non-executive oversight
Name
Role
Member since
Current (5)
AM
Anne Maria Hellikki Murtomäki
Board of Directors
2025
MJ
Mira Janina Jääskeläinen
Board of Directors
2025
MK
Minna Kristiina Ridanpää
Board of Directors
2025
KH
Kirsi Helena Korhonen
Board of Directors
2025
SJ
Sari Johanna Kairi
Chairperson
2025
Shareholders
As of last annual report
No shareholder data available.
Beneficial ownership (UBO) data access is restricted in Denmark as of September 2025 per the EU 6th AML Directive.
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